656310080

素因数分解:

$2^6\times 5^1\times {\mathrm{2050969}}^1$

素因数の和:2050986

約数の個数: 28

約数和(自身を含む): 1562839140

約数和(自身を除く): 906529060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2050969, 4101938, 8203876, 10254845, 16407752, 20509690, 32815504, 41019380, 65631008, 82038760, 131262016, 164077520, 328155040, 656310080]

約数ペア:

[(1, 656310080), (2, 328155040), (4, 164077520), (5, 131262016), (8, 82038760), (10, 65631008), (16, 41019380), (20, 32815504), (32, 20509690), (40, 16407752), (64, 10254845), (80, 8203876), (160, 4101938), (320, 2050969)]